Unity是由Unity Technologies开发的一个让玩家轻松创建诸如三维视频游戏、建筑可视化、实时三维动画等类型互动内容的多平台的综合型游戏开发工具，是一个全面整合的专业游戏引擎。

Unity类似于Director,Blender game engine, Virtools 或 Torque Game Builder等利用交互的图型化开发环境为首要方式的软件其编辑器运行在Windows 和Mac OS X下，可发布游戏至Windows、Mac、Wii、iPhone和Android平台。

也可以利用Unity web player插件发布网页游戏手机游戏，支持Mac 和Windows的网页浏览。

它的网页播放器也被Mac widgets所支持

Unity 4.3.0 f4 Pro (Win/Mac)

In this release you’ll find our much-anticipated 2D toolset, some truly stunning Mecanim features, MonoDevelop 4.

0.

1 (we knew you’d be pleased to see that one), lots of major Windows Phone 8 and Windows Store Apps features, Plastic SCM integration for your version control pleasure and tons of optimizations.

Check out the highlights of this feature-packed release:

A completely new 2D toolset

Animation: blendshapes and animation events for animator-driven characters

MonoDevelop 4.0.1

Navmesh: dynamic off-mesh links and obstacle carving

A major Windows Store apps upgrade

Plastic SCM integration

More info: http://unity3d.com/unity/whats-new/